【摘要】 Cube计算对OLAP有着极其重要的作用。本文根据数据仓库模式的前端用户接口之一OLAP,设计了一个多维的超压缩立方体结构HierarchicalCompressCube(CHCube)HH,并详细讨论了它的创建、增量更新及快速查询算法。在创建CHCube结构时,充分利用了元数据信息,因而在OLAP查询及更新等操作上具有很好的时空有效性。在实际的OLAP应用系统中,使得对多维数据的描述更加灵活,对多维数据的操作更加高效。更多还原

【Abstract】 Multiple dimension cubes play important role in OLAP(online analytical processing).This paper introduces the conception of OLAP ,which is one of user interface of data warehouse, and analyses its application in data warehouse. Then it compares several types of OLAP, and it also discusses the arithmetic of constructing, incremental updating and quick querying in detail as well. It made multidimensional da- ta description more flexible and multidimensional data operations more efficient in the real OLAP system effectively.更多还原